Sr Advanced Software Engineer (C++, Java) in Manassas, Virginia at Mission Systems

Sr Advanced Software Engineer (C++, Java)

ID: 2026-74658
US-VA-Manassas
Required Clearance: Secret
Posted Date: 9/16/2026
Category: Engineering-Software
Employment Type: Full Time
Hiring Company: General Dynamics Mission Systems, Inc.
Basic Qualifications

Bachelor's degree in Software Engineering, or related Science, Technology, Engineering or Mathematics field, plus a minimum of 8 years of relevant experience; or Master's degree, plus 6 years relevant experience.

CLEARANCE REQUIREMENTS:
Department of Defense Secret security clearance is required at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within our facilities, U.S. citizenship is required.

Responsibilities for this Position

ROLE AND POSITION OBJECTIVES:

As a Senior Software Engineer, you will be a senior individual contributor developing and integrating complex mission-critical software for U.S. Navy submarine and surface platforms. You will independently own significant software components and difficult integration problems while contributing to architecture, design, implementation, and testing.

This is a hands-on individual-contributor position without personnel-management responsibility.

Responsibilities

• Design, develop, and maintain complex software using C++, Qt, Java, and Python.
• Own software components from requirements and architecture through integration and deployment.
• Develop distributed interfaces using APIs, AMQP, gRPC, Protocol Buffers, and event-driven architectures.
• Make well-supported design decisions within assigned components and subsystems.
• Integrate COTS, open-source, and custom-developed software.
• Diagnose complex concurrency, performance, networking, data, and system-integration problems.
• Develop applications for Red Hat Enterprise Linux and containerized environments.
• Support deployments using Docker, Podman, Kubernetes or RKE2, and Helm.
• Define effective unit, component, and integration tests.
• Perform detailed code and design reviews and provide technical mentoring to other engineers.
• Communicate technical risks, findings, and recommendations to engineering and program stakeholders.
• Support laboratory and Navy platform integration activities.

What Sets You Apart

• Deep modern C++ expertise, preferably including Qt-based applications.
• Strong experience with Linux, distributed systems, networking, and multithreaded software.
• Experience with gRPC, Protocol Buffers, containers, Kubernetes, and Helm.
• Demonstrated ownership of large or technically complex software components.
• Strong debugging and root-cause-analysis skills across application and deployment layers.
• Knowledge of DevSecOps, automated testing, CI/CD, and secure software practices.
• Ability to mentor engineers and influence technical decisions without formal leadership authority.
• Experience with Navy, tactical, combat-system, or other mission-critical environments.

Our Commitment to You:

• An exciting career path with opportunities for continuous learning and development.
• Research oriented work, alongside award winning teams developing practical solutions for our nation’s security
• Flexible schedules with every other Friday off work, if desired (9/80 schedule)
• Competitive benefits, including 401k matching, flex time off, paid parental leave, healthcare benefits, health & wellness programs, employee resource and social groups, and more
• See more at gdmissionsystems.com/careers/why-work-for-us/benefits

Workplace Options:
This position is fully on-site
While on-site, you will be a part of the Progeny Manassas, VA team

Salary Note

This estimate represents the typical salary range for this position based on experience and other factors (geographic location, etc.). Actual pay may vary. This job posting will remain open until the position is filled.

Combined Salary Range

USD $149,902.00 - USD $166,298.00 /Yr.

Company Overview

General Dynamics Mission Systems (GDMS) engineers a diverse portfolio of high technology solutions, products and services that enable customers to successfully execute missions across all domains of operation. With a global team of 12,000+ top professionals, we partner with the best in industry to expand the bounds of innovation in the defense and scientific arenas. Given the nature of our work and who we are, we value trust, honesty, alignment and transparency. We offer highly competitive benefits and pride ourselves in being a great place to work with a shared sense of purpose. You will also enjoy a flexible work environment where contributions are recognized and rewarded. If who we are and what we do resonates with you, we invite you to join our high-performance team!

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

#GDMS-US#